https://issues.apache.org/bugzilla/show_bug.cgi?id=48762

           Summary: Warning: Constant Timer was interrupted
           Product: JMeter
           Version: 2.3.4
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: blocker
          Priority: P2
         Component: HTTP
        AssignedTo: jmeter-dev@jakarta.apache.org
        ReportedBy: roland_wettst...@jdpa.com


Hi,
I have the following load testing set up:

Thread Group1
    http Request Sampler
        Timer -> delay timer (30 seconds0
    Listener -> Summary Report
    Listener -> View Result Tree
Thread Group2
'
'
'
Thread Group125

Each thread group contains one single http Request sampler to a RESTService
Each http Request sampler has a delay timer attached as a child
Each thread group also contains two listeners to capture the http response.

Command for http sampler:
   GET
Path value for http sampler:
   
/<Application_Name>/<client_name>/<user_name>/<action>\&<startdate>\&<enddate>
       \&<datatype>

I choose 125 separate thread groups as each http request sends different
user_name, startdate, enddate, and datatype. So, this way, I can capture the
response for each request separately.

When JMeter runs it creates 125 threads running concurrently, each thread
running about twice a minute. The created threads send their request to the
service which, in return spawns off its own threads, to access text indexed
data.

The way I have set JMEter set up works very well if the start and enddate are
very close together, only a small range of text indexes need to be accessed. If
the date range increases to over one week then the thread response degradetes
to where some threads hardly get the chance to run.
Also, I encounter the following error messages in JMeter's log file:
    WARN  - jmeter.threads.JMeterThread: Interrupting: U8 Load Test 8-1 
            sampler: GET Verbatims Text One Month Request 
    WARN  - jmeter.threads.JMeterThread: The delay timer was interrupted - 
            probably did not wait as long as intended. 

Sorry if this is logged at the incorrect place if this issue deems not to be a
bug.

Any information on this is greatly appreciated.

Roland

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